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• which of the following shows the graph of y = –(2)x – 1? on a coordinate plane, a curve is level at y = 0 in quadrant 2 and then decreases rapidly into quadrant 4. it crosses the y-axis at (0, negative 0.5). on a coordinate plane, a curve is level at y = negative 1 in quadrant 3 and then decreases rapidly into quadrant 4. it crosses the y-axis at (0, negative 2). on a coordinate plane, a curve is level at y = 1 in quadrant 3 and then decreases rapidly into quadrant 4. it crosses the y-axis at (0, 0). on a coordinate plane, a curve is level at y = 0 in quadrant 2 and then decreases rapidly into quadrant 4. it crosses the y-axis at (0, negative 2).
  
• which equation is most likely used to determine the acceleration from a velocity vs. time graph? a = t over delta v. m = startfraction v subscript 1 - v subscript 2 over x subscript 2 minus x subscript 1 endfraction. a = m = startfraction x subscript 2 minus x subscript 1 over v subscript 1 - v subscript 2 endfraction.
  
• suppose our experimenter repeats his experiment on a planet more massive than earth, where the acceleration due to gravity is g=30 m/s2 . when he releases the ball from chin height without giving it a push, how will the ball's behavior differ from its behavior on earth? ignore friction and air resistance. (select all that apply.)
  
• roberto: eric, ¿qué actividad te gusta hacer? eric: tengo una bicicleta. hago _____________ porque me gusta mucho. a. montañismo b. ciclismo c. senderismo d. caminata
  
• a piecewise function is represented by the graph below. on a coordinate plane, a piecewise function has 2 lines. the first line is made up of 2 lines. one line goes from (negative 5, 3) to (negative 1, negative 1) and then goes up to a closed circle at (1, 1). the second line has an open circle at (1, 2) and then continues up through (3, 4). what is the domain for the piece of the function represented by f(x) = x + 1? x < –1 –1 ≤ x ≤ 1 1 ≤ x < 2 x > 1
  
• which equation is the inverse of y = 16x2 + 1? y = plus-or-minus startroot startfraction x over 16 endfraction minus 1 endroot y = startfraction plus-or-minus startroot x minus 1 endroot over 16 endfraction y = startfraction plus-or-minus startroot x endroot over 4 endfraction minus one-fourth y = startfraction plus-or-minus startroot x minus 1 endroot over 4 endfraction
  
• what kind of electromagnetic radiation has the shortest wavelength? the longest?
  
• in what two ways did the soviets stray from the ideas about communism advanced by karl marx?
  
• to who it may consern, i am writing to request more information about state universities freshmen workstudy program. my address is: 123 main street, columbia wa, 55500 thank you, stephan smith what is the internet communication problem in the email above? a. grammar errors b. no greeting c. poor spelling d. both a and c please select the best answer from the choices provided
  
• what does the author’s first use of the key term illusion suggest about american foreign policy? the united states causes many problems. the united states could not remain separate. the promotion of democracy is a false policy. it is unsafe for one country to have too much power.